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Nowadays, the sensitivities of the ionization gauges with carbon nanotube (CNT) cathodes are generally low, which is unfavorable for the measurement of extremely high vacuum (XHV). In order to solve the problems, a spherical oscillator gauge with CNT cathode, which has high gauge sensitivity, is simulated using SIMION 8.0 and experimented preliminarily. The numerical simulation results show that the...
Summary form only given. Anode plasma formation in virtual cathode oscillator (vircator) is unavoidable because of the striking and heating of anode by intense electron beam, which affects important vircator physics issues especially the generation of high- power microwave (HPM). By theoretical and simulation methods, it is found that energy deposition which may cause serious temperature rise in anode...
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